Calculate the average rate of change of f(x) over the interval [-4, -1] using the formula

Calculate the average rate of change of f(x) over the interval [-4, -1] using the formula
[ BLANK ] The value of f(-1) is [BLANK] The value of f(-4) is .[BLANK] The average rate of change of f(x) over the interval [-4, -1] is .[BLANK]

First set of answers:
A. [f(-4)-f(-1)]/[-5]
B.[f(-1)-f(-4)]/[-5]
C.[f(-1)-f(-4)]/[3]
D.[f(-4)-f(-1)]/[3]

Second set of answers: A.3 Third set:
A.-4 Final set A.-2
B.2 B.-3 B.-1.5
C.-1 C.4 C.2
D.4